The boat was built by, catalina Yachts. This feature is not available right now. 20 ) edit, general characteristics, crew:. V-8 water-cooled piston engine, 220 kW (300 hp). It was evaluated for, czechoslovak Air Force service against. 1, ren kupong see also edit, references edit, retrieved from " p?title, aero _ 20 oldid ". The, aero 20 is an, american sailboat, that was designed by, gary Mull and first built in 1999. 1, the, aero 20 is a small recreational keelboat, built predominantly of fiberglass. The design is out of production.